Computer Hardware Course

Lesson 1 • Data Representation in Hardware

Covers binary, hexadecimal, and binary-coded formats that hardware uses to store and move data. Grounds students in the numeric language of all hardware diagnostics.

Lesson 2 • Safety and Workspace Preparation

Establishes electrostatic discharge prevention, tool selection, and ergonomic workspace setup before any hands-on work begins. Prevents component damage and personal injury.

Lesson 3 • What Is Computer Hardware

Defines hardware versus software and firmware, establishing clear boundaries. Sets the vocabulary used throughout the entire course.

Lesson 4 • Core System Architecture Overview

Introduces the Von Neumann model and modern variants as the structural backbone of all PCs. Connects abstract architecture to physical components students will handle.

Lesson 1 • Multi-Core and Threading Technologies

Covers physical cores, simultaneous multithreading, and chiplet designs that define modern CPUs. Students match processor topology to workload parallelism requirements.

Lesson 2 • CPU Sockets and Platform Compatibility

Identifies socket types, pin configurations, and chipset pairings that govern CPU-motherboard compatibility. Prevents costly incompatibility errors during builds and upgrades.

Lesson 3 • CPU Cache Architecture

Details L1, L2, and L3 cache levels, associativity, and cache coherence in multi-core designs. Explains why cache size and latency directly affect real-world speed.

Lesson 4 • CPU Internal Architecture

Examines the ALU, control unit, registers, and pipeline stages that execute instructions. Connects internal design to observable performance characteristics.

Lesson 1 • Multi-Channel and XMP Configuration

Explains dual-, quad-, and flex-channel modes and how slot population order activates them. Covers XMP and EXPO profiles for validated overclocked memory operation.

Lesson 2 • Memory Timings and Latency

Decodes CAS latency, RAS-to-CAS delay, and other timing parameters printed on module labels. Connects timing values to measurable bandwidth and latency outcomes.

Lesson 3 • RAM Fundamentals

Distinguishes volatile from non-volatile memory and explains DRAM cell operation at a functional level. Establishes why RAM speed and capacity affect overall system throughput.

Lesson 4 • DDR Generations and Specifications

Compares DDR4 and DDR5 voltage, speed grades, and module form factors used in desktops and laptops. Students read JEDEC specifications and identify compatible modules.

Lesson 1 • Motherboard Form Factors

Compares ATX, Micro-ATX, Mini-ITX, and E-ATX layouts by mounting hole patterns and feature density. Guides chassis and component selection based on physical constraints.

Lesson 2 • PCIe Bus Standard

Covers PCIe generations, lane widths, and bandwidth calculations critical for GPU and NVMe device selection. Students calculate available bandwidth for multi-device configurations.

Lesson 3 • Chipset Architecture and Functions

Explains how the chipset manages I/O lanes, USB controllers, and storage connectivity between CPU and peripherals. Differentiates chipset tiers by feature unlocks and lane counts.

Lesson 4 • BIOS and UEFI Firmware

Explains UEFI firmware structure, POST sequence, and key settings that affect hardware initialization. Students navigate firmware menus to configure boot order and hardware options.

Lesson 1 • Solid-State Drive Technologies

Covers NAND flash cell types—SLC, MLC, TLC, QLC—and their endurance and speed trade-offs. Students match SSD tier to workload write intensity and budget.

Lesson 2 • RAID Levels and Use Cases

Defines RAID 0, 1, 5, 6, and 10 by parity, mirroring, and striping logic and their fault-tolerance profiles. Students choose RAID levels based on performance and redundancy requirements.

Lesson 3 • Storage Health Monitoring and Maintenance

Uses S.M.A.R.T. data, wear-leveling indicators, and benchmarking tools to assess drive health. Establishes proactive maintenance habits that prevent data loss.

Lesson 4 • Hard Disk Drive Mechanics

Explains platters, read/write heads, actuator arms, and rotational latency that define HDD performance limits. Connects mechanical design to observed sequential and random I/O speeds.

Lesson 1 • PSU Testing and Failure Diagnosis

Uses a multimeter and PSU tester to verify rail voltages and identify failing units before they damage components. Covers common PSU failure modes and safe replacement procedures.

Lesson 2 • System Power Consumption Calculation

Applies TDP values and real-world load data to calculate total system draw and select an appropriately sized PSU. Prevents under-powering and excessive idle inefficiency.

Lesson 3 • Electrical Concepts for Hardware Technicians

Reviews voltage, current, resistance, and power relationships essential for hardware diagnostics. Provides the electrical foundation needed to interpret PSU and component specifications.

Lesson 4 • PSU Specifications and Ratings

Decodes wattage ratings, efficiency certifications, and rail configurations printed on PSU labels. Students distinguish marketing claims from meaningful electrical specifications.

Lesson 1 • Audio, Networking, and Legacy Ports

Covers onboard audio codecs, Ethernet controllers, and legacy serial/parallel ports found on modern and older systems. Prepares students to support diverse peripheral ecosystems in the field.

Lesson 2 • USB Standards and Peripheral Connectivity

Maps USB 2.0 through USB4 by speed, power delivery, and connector type to guide port selection and hub design. Resolves common USB bandwidth and power conflicts in dense peripheral setups.

Lesson 3 • Video Output Interfaces

Differentiates HDMI versions, DisplayPort standards, and legacy VGA/DVI connectors by bandwidth and feature support. Students select the correct cable and port for a given display and GPU.

Lesson 4 • GPU Architecture and Rendering Pipeline

Explains shader cores, VRAM types, memory bus width, and the rendering pipeline from geometry to pixels. Connects GPU specifications to expected performance in graphics and compute workloads.

Lesson 1 • Step-by-Step System Assembly

Guides CPU installation, RAM seating, motherboard mounting, storage connection, and PSU wiring in the correct sequence. Builds muscle memory for professional-grade assembly technique.

Lesson 2 • First Boot and POST Diagnostics

Interprets POST beep codes, LED indicators, and UEFI error messages to confirm successful hardware initialization. Establishes a systematic first-boot checklist used in professional environments.

Lesson 3 • Pre-Build Planning and Parts Verification

Validates component compatibility, checks inventory against a build list, and prepares the workspace before assembly begins. Prevents mid-build delays caused by missing or incompatible parts.

Lesson 4 • Thermal Management and Cooling Solutions

Compares air, liquid, and phase-change cooling by thermal resistance, noise, and cost for different TDP ranges. Students apply thermal paste correctly and validate cooling performance under load.